<?php

    /**
     * Redux Framework is free software: you can redistribute it and/or modify
     * it under the terms of the GNU General Public License as published by
     * the Free Software Foundation, either version 2 of the License, or
     * any later version.
     * Redux Framework is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU General Public License for more details.
     * You should have received a copy of the GNU General Public License
     * along with Redux Framework. If not, see <http://www.gnu.org/licenses/>.
     *
     * @package     ReduxFramework
     * @subpackage  Field_Images
     * @author      Daniel J Griffiths (Ghost1227)
     * @author      Dovy Paukstys
     * @version     3.0.0
     */

// Exit if accessed directly
    if ( ! defined( 'ABSPATH' ) ) {
        exit;
    }

// Don't duplicate me!
    if ( ! class_exists( 'ReduxFramework_image_select' ) ) {

        /**
         * Main ReduxFramework_image_select class
         *
         * @since       1.0.0
         */
        class ReduxFramework_image_select {

            /**
             * Field Constructor.
             * Required - must call the parent constructor, then assign field and value to vars, and obviously call the render field function
             *
             * @since       1.0.0
             * @access      public
             * @return      void
             */
            function __construct( $field = array(), $value = '', $parent ) {
                $this->parent = $parent;
                $this->field  = $field;
                $this->value  = $value;
            }

            /**
             * Field Render Function.
             * Takes the vars and outputs the HTML for the field in the settings
             *
             * @since       1.0.0
             * @access      public
             * @return      void
             */
            public function render() {

                if ( ! empty( $this->field['options'] ) ) {
                    echo '<div class="redux-table-container">';
                    echo '<ul class="redux-image-select">';

                    $x = 1;

                    foreach ( $this->field['options'] as $k => $v ) {

                        if ( ! is_array( $v ) ) {
                            $v = array( 'img' => $v );
                        }

                        if ( ! isset( $v['title'] ) ) {
                            $v['title'] = '';
                        }

                        if ( ! isset( $v['alt'] ) ) {
                            $v['alt'] = $v['title'];
                        }

                        $style = '';

                        if ( ! empty( $this->field['width'] ) ) {
                            $style .= 'width: ' . $this->field['width'];

                            if ( is_numeric( $this->field['width'] ) ) {
                                $style .= 'px';
                            }

                            $style .= ';';
                        } else {
                            $style .= " width: 100%; ";
                        }

                        if ( ! empty( $this->field['height'] ) ) {
                            $style .= 'height: ' . $this->field['height'];

                            if ( is_numeric( $this->field['height'] ) ) {
                                $style .= 'px';
                            }

                            $style .= ';';
                        }

                        $theValue = $k;
                        if ( ! empty( $this->field['tiles'] ) && $this->field['tiles'] == true ) {
                            $theValue = $v['img'];
                        }

                        $selected = ( checked( $this->value, $theValue, false ) != '' ) ? ' redux-image-select-selected' : '';

                        $presets   = '';
                        $is_preset = false;

                        $this->field['class'] .= ' noUpdate ';
                        if ( isset( $this->field['presets'] ) && $this->field['presets'] !== false ) {
                            $this->field['class'] = trim($this->field['class']);
                            if ( ! isset( $v['presets'] ) ) {
                                $v['presets'] = array();
                            }

                            if ( ! is_array( $v['presets'] ) ) {
                                $v['presets'] = json_decode( $v['presets'], true );
                            }

                            // Only highlight the preset if it's the same
                            if ( $selected ) {
                                if ( empty( $v['presets'] ) ) {
                                    $selected = false;
                                } else {
                                    foreach ( $v['presets'] as $pk => $pv ) {
                                        if ( empty( $pv ) && isset( $this->parent->options[ $pk ] ) && ! empty( $this->parent->options[ $pk ] ) ) {
                                            $selected = false;
                                        } else if ( ! empty( $pv ) && ! isset( $this->parent->options[ $pk ] ) ) {
                                            $selected = false;
                                        } else if ( isset( $this->parent->options[ $pk ] ) && $this->parent->options[ $pk ] != $pv ) {
                                            $selected = false;
                                        }

                                        if ( ! $selected ) { // We're still not using the same preset. Let's unset that shall we?
                                            $this->value = "";
                                            break;
                                        }
                                    }
                                }
                            }

                            $v['presets']['redux-backup'] = 1;

                            $presets   = ' data-presets="' . htmlspecialchars( json_encode( $v['presets'] ), ENT_QUOTES, 'UTF-8' ) . '"';
                            $is_preset = true;

                            $this->field['class'] = trim( $this->field['class'] ) . 'redux-presets';
                        }

                        $is_preset_class = $is_preset ? '-preset-' : ' ';

                        echo '<li class="redux-image-select">';
                        echo '<label class="' . $selected . ' redux-image-select' . $is_preset_class . $this->field['id'] . '_' . $x . '" for="' . $this->field['id'] . '_' . ( array_search( $k, array_keys( $this->field['options'] ) ) + 1 ) . '">';

                        echo '<input type="radio" class="' . $this->field['class'] . '" id="' . $this->field['id'] . '_' . ( array_search( $k, array_keys( $this->field['options'] ) ) + 1 ) . '" name="' . $this->field['name'] . $this->field['name_suffix'] . '" value="' . $theValue . '" ' . checked( $this->value, $theValue, false ) . $presets . '/>';
                        if ( ! empty( $this->field['tiles'] ) && $this->field['tiles'] == true ) {
                            echo '<span class="tiles" style="background-image: url(' . $v['img'] . ');" rel="' . $v['img'] . '"">&nbsp;</span>';
                        } else {
                            echo '<img src="' . $v['img'] . '" alt="' . $v['alt'] . '" style="' . $style . '"' . $presets . ' />';
                        }

                        if ( $v['title'] != '' ) {
                            echo '<br /><span>' . $v['title'] . '</span>';
                        }

                        echo '</label>';
                        echo '</li>';

                        $x ++;
                    }

                    echo '</ul>';
                    echo '</div>';
                }
            }

            /**
             * Enqueue Function.
             * If this field requires any scripts, or css define this function and register/enqueue the scripts/css
             *
             * @since       1.0.0
             * @access      public
             * @return      void
             */
            public function enqueue() {

                wp_enqueue_script(
                    'redux-field-image-select-js',
                    ReduxFramework::$_url . 'inc/fields/image_select/field_image_select' . Apollo_Theme_Functions::isMin() . '.js',
                    array( 'jquery', 'redux-js' ),
                    time(),
                    true
                );

                wp_enqueue_style(
                    'redux-field-image-select-css',
                    ReduxFramework::$_url . 'inc/fields/image_select/field_image_select.css',
                    time(),
                    true
                );
            }

            public function getCSS( $mode = '' ) {
                $css   = '';
                $value = $this->value;

                if ( ! empty( $value ) ) {
                    switch ( $mode ) {
                        case 'background-image':
                            $output = "background-image: url('" . $value . "');";
                            break;

                        default:
                            $output = $mode . ": " . $value . ";";
                    }
                }

                $css .= $output;

                return $css;
            }

            public function output() {
                $mode = ( isset( $this->field['mode'] ) && ! empty( $this->field['mode'] ) ? $this->field['mode'] : 'background-image' );

                if ( ( ! isset( $this->field['output'] ) || ! is_array( $this->field['output'] ) ) && ( ! isset( $this->field['compiler'] ) ) ) {
                    return;
                }

                $style = $this->getCSS( $mode );

                if ( ! empty( $style ) ) {

                    if ( ! empty( $this->field['output'] ) && is_array( $this->field['output'] ) ) {
                        $keys  = implode( ",", $this->field['output'] );
                        $style = $keys . "{" . $style . '}';
                        $this->parent->outputCSS .= $style;
                    }

                    if ( ! empty( $this->field['compiler'] ) && is_array( $this->field['compiler'] ) ) {
                        $keys  = implode( ",", $this->field['compiler'] );
                        $style = $keys . "{" . $style . '}';
                        $this->parent->compilerCSS .= $style;
                    }
                }
            }
        }
    }
